Home / 120,414.12-166,180.86-66,704.26

Finding the Fourth Proportional to 120,414.12, 166,180.86 and 66,704.26

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Solution

The fourth proportional to 120,414.12, 166,180.86 and 66,704.26 is: 92,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,414.12 : 166,180.86 = 66,704.26 : x
  2. Step 2: Convert to fraction form
    120,414.12/166,180.86 = 66,704.26/x
  3. Step 3: Cross multiply
    120,414.12x = 166,180.86 × 66,704.26
  4. Step 4: Simplify right side
    120,414.12x = 11,084,971,292.46
  5. Step 5: Solve for x
    x = 11,084,971,292.46/120,414.12
  6. Step 6: Final answer
    x = 92,057.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.